CH69517A
(en )
1915-07-01
Process for the mechanical drainage of pipe peat using additional bodies
CH66777A
(en )
1914-10-16
Process for the manufacture of pipe fittings
CH61916A
(en )
1913-10-16
Process for the representation of erythrene
CH67036A
(en )
1914-11-02
Process for the preparation of a-bronisovaleric acid-p-phenetidine
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
CH66776A
(en )
1914-10-01
Process for the manufacture of pipe fittings
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH58674A
(en )
1913-03-17
Process for the representation of erythrene
CH59152A
(en )
1913-04-16
Process for the representation of erythrene
CH60242A
(en )
1913-07-01
Process for the representation of erythrene
CH67760A
(en )
1915-01-02
Process for the preparation of calcium carbide
CH67432A
(en )
1914-12-01
Process for the continuous preparation of nitrides
CH62349A
(en )
1913-11-17
Process for the preparation of α-selenium cyananthraquinone
CH62461A
(en )
1913-11-17
Process for the preparation of hydrohydrastinin
CH63229A
(en )
1914-01-16
Process for the preparation of hydrohydrastinin
CH63571A
(en )
1914-02-02
Process for the preparation of 2-3-oxynaphthoic acid-m-nitranilide
CH63703A
(en )
1914-02-16
Process for the preparation of α-bromoisovalerylurea
CH64480A
(en )
1914-04-01
Process for the preparation of 2-nitroquinizarin
CH64582A
(en )
1914-04-01
Process for the preparation of diethylbromoacetylurea
CH65235A
(en )
1914-06-01
Process for the preparation of 6-ethoxyquinolyl-4-methylketone
CH65924A
(en )
1914-07-16
Process for the preparation of p-nitrosophenylglycine
CH66642A
(en )
1914-10-01
Process for the preparation of 2-3-oxynaphtoic acid-m-toluid
CH66643A
(en )
1914-10-01
Process for the preparation of 2-3-oxynaphtoic acid-p-toluid
CH66644A
(en )
1914-10-01
Process for the preparation of 2-3-oxynaphthoic acid-m-chloroanilide
CH72600A
(en )
1916-06-02
Driving pipe for the production of concrete piles